DE1957418C3 - Farbscanner - Google Patents

Farbscanner

Info

Publication number
DE1957418C3
DE1957418C3 DE1957418A DE1957418A DE1957418C3 DE 1957418 C3 DE1957418 C3 DE 1957418C3 DE 1957418 A DE1957418 A DE 1957418A DE 1957418 A DE1957418 A DE 1957418A DE 1957418 C3 DE1957418 C3 DE 1957418C3
Authority
DE
Germany
Prior art keywords
color
correction device
highlight
signal
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE1957418A
Other languages
German (de)
English (en)
Other versions
DE1957418B2 (de
DE1957418A1 (de
Inventor
Mouayed Edouard Dratford Kent Dobouney
Peter Charles Pinner Middlesex Pugsley
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CROSFIELD ELECTRONICS Ltd LONDON
Original Assignee
CROSFIELD ELECTRONICS Ltd LONDON
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CROSFIELD ELECTRONICS Ltd LONDON filed Critical CROSFIELD ELECTRONICS Ltd LONDON
Publication of DE1957418A1 publication Critical patent/DE1957418A1/de
Publication of DE1957418B2 publication Critical patent/DE1957418B2/de
Application granted granted Critical
Publication of DE1957418C3 publication Critical patent/DE1957418C3/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/46—Colour picture communication systems
    • H04N1/56—Processing of colour picture signals
    • H04N1/60—Colour correction or control
    • H04N1/6027—Correction or control of colour gradation or colour contrast

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Facsimile Image Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Image Communication Systems (AREA)
DE1957418A 1968-11-14 1969-11-14 Farbscanner Expired DE1957418C3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5403868 1968-11-14

Publications (3)

Publication Number Publication Date
DE1957418A1 DE1957418A1 (de) 1970-06-11
DE1957418B2 DE1957418B2 (de) 1978-09-14
DE1957418C3 true DE1957418C3 (de) 1979-05-17

Family

ID=10469738

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1957418A Expired DE1957418C3 (de) 1968-11-14 1969-11-14 Farbscanner

Country Status (3)

Country Link
US (1) US3634611A (https=)
DE (1) DE1957418C3 (https=)
GB (1) GB1251217A (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3831887A (en) * 1973-06-28 1974-08-27 Rockwell International Corp Aircraft control methods
JPH0724425B2 (ja) * 1986-09-02 1995-03-15 富士写真フイルム株式会社 画像処理方法及び装置
US5018085A (en) * 1988-06-16 1991-05-21 Hallmark Cards, Inc. Color printing system usable for reproduction of computer-generated images
US5060061A (en) * 1989-06-30 1991-10-22 Victor Company Of Japan, Ltd. Method of reading an image recorded in a photographic film tone characteristic correcting method in reproducing an image recorded in a photographic film

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2766319A (en) * 1952-09-16 1956-10-09 Time Inc Method of and apparatus for making a black printer for four-color reproduction
BE532483A (https=) * 1953-10-14
NL112289C (https=) * 1955-06-15
US2981792A (en) * 1957-10-31 1961-04-25 Fairchild Camera Instr Co Color correction computer for engraving machines

Also Published As

Publication number Publication date
DE1957418B2 (de) 1978-09-14
GB1251217A (https=) 1971-10-27
DE1957418A1 (de) 1970-06-11
US3634611A (en) 1972-01-11

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)